[SI-LIST] Return loss measurement on differential signals

Hi all,
 

I had gone through the details about return loss measurement and relation
between VSWR(Voltage standing wave ratio) & reflection coefficient in
Google.

 

Return loss = -20log (Vr/Vt)

Where,

Vr- Amplitude of reflected wave

Vt- Amplitude of Transmitted wave

 

ñ  magnitude of   Ã 

ñ = | Ã | .

 

Relation between VSWR(Voltage standing wave ratio) and reflection
coefficient.

VSWR = (1 + ñ)/(1 - ñ)

 

Will this equations applicable for differential signals?, if I am going to
measure Signal P with respect to Signal N in the differential pair.

 

If you would have any alternate solution to measure return loss of
differential signal, please suggest me.

 

Thanks & Regards,

 

Arun Kumar  P N

 

 

 


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